driverd: implement AddMatch/RemoveMatch logic

[elogind.git] / src / udev / udev-builtin-firmware.c

diff --git a/src/udev/udev-builtin-firmware.c b/src/udev/udev-builtin-firmware.c
index d212c64b4d83855f76c43bc5c94f4493281b726f..b80940b6efde9bed416f26d1135e952e94c0ccd8 100644 (file)
--- a/src/udev/udev-builtin-firmware.c
+++ b/src/udev/udev-builtin-firmware.c
@@ -2,7 +2,7 @@
  * firmware - Kernel firmware loader
  *
  * Copyright (C) 2009 Piter Punk <piterpunk@slackware.com>
- * Copyright (C) 2009-2011 Kay Sievers <kay.sievers@vrfy.org>
+ * Copyright (C) 2009-2011 Kay Sievers <kay@vrfy.org>
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License as
@@ -33,7 +33,7 @@ static bool set_loading(struct udev *udev, char *loadpath, const char *state)
 
         ldfile = fopen(loadpath, "we");
         if (ldfile == NULL) {
-                err(udev, "error: can not open '%s'\n", loadpath);
+                log_error("error: can not open '%s'\n", loadpath);
                 return false;
         };
         fprintf(ldfile, "%s\n", state);
@@ -49,11 +49,11 @@ static bool copy_firmware(struct udev *udev, const char *source, const char *tar
 
         buf = malloc(size);
         if (buf == NULL) {
-                err(udev,"No memory available to load firmware file");
+                log_error("No memory available to load firmware file");
                 return false;
         }
 
-        info(udev, "writing '%s' (%zi) to '%s'\n", source, size, target);
+        log_debug("writing '%s' (%zi) to '%s'\n", source, size, target);
 
         fsource = fopen(source, "re");
         if (fsource == NULL)
@@ -78,13 +78,11 @@ static int builtin_firmware(struct udev_device *dev, int argc, char *argv[], boo
 {
         struct udev *udev = udev_device_get_udev(dev);
         static const char *searchpath[] = { FIRMWARE_PATH };
-        char fwencpath[UTIL_PATH_SIZE];
-        char misspath[UTIL_PATH_SIZE];
         char loadpath[UTIL_PATH_SIZE];
         char datapath[UTIL_PATH_SIZE];
         char fwpath[UTIL_PATH_SIZE];
         const char *firmware;
-        FILE *fwfile;
+        FILE *fwfile = NULL;
         struct utsname kernel;
         struct stat statbuf;
         unsigned int i;
@@ -92,62 +90,53 @@ static int builtin_firmware(struct udev_device *dev, int argc, char *argv[], boo
 
         firmware = udev_device_get_property_value(dev, "FIRMWARE");
         if (firmware == NULL) {
-                err(udev, "firmware parameter missing\n\n");
+                log_error("firmware parameter missing\n\n");
                 rc = EXIT_FAILURE;
                 goto exit;
         }
 
         /* lookup firmware file */
         uname(&kernel);
-        for (i = 0; i < ARRAY_SIZE(searchpath); i++) {
-                util_strscpyl(fwpath, sizeof(fwpath), searchpath[i], kernel.release, "/", firmware, NULL);
-                dbg(udev, "trying %s\n", fwpath);
+        for (i = 0; i < ELEMENTSOF(searchpath); i++) {
+                strscpyl(fwpath, sizeof(fwpath), searchpath[i], kernel.release, "/", firmware, NULL);
                 fwfile = fopen(fwpath, "re");
                 if (fwfile != NULL)
                         break;
 
-                util_strscpyl(fwpath, sizeof(fwpath), searchpath[i], firmware, NULL);
-                dbg(udev, "trying %s\n", fwpath);
+                strscpyl(fwpath, sizeof(fwpath), searchpath[i], firmware, NULL);
                 fwfile = fopen(fwpath, "re");
                 if (fwfile != NULL)
                         break;
         }
 
-        util_path_encode(firmware, fwencpath, sizeof(fwencpath));
-        util_strscpyl(misspath, sizeof(misspath), udev_get_run_path(udev), "/firmware-missing/", fwencpath, NULL);
-        util_strscpyl(loadpath, sizeof(loadpath), udev_device_get_syspath(dev), "/loading", NULL);
+        strscpyl(loadpath, sizeof(loadpath), udev_device_get_syspath(dev), "/loading", NULL);
 
         if (fwfile == NULL) {
-                int err;
-
-                /* This link indicates the missing firmware file and the associated device */
-                info(udev, "did not find firmware file '%s'\n", firmware);
-                do {
-                        err = util_create_path(udev, misspath);
-                        if (err != 0 && err != -ENOENT)
-                                break;
-                        err = symlink(udev_device_get_devpath(dev), misspath);
-                        if (err != 0)
-                                err = -errno;
-                } while (err == -ENOENT);
+                log_debug("did not find firmware file '%s'\n", firmware);
                 rc = EXIT_FAILURE;
-                set_loading(udev, loadpath, "-1");
+                /*
+                 * Do not cancel the request in the initrd, the real root might have
+                 * the firmware file and the 'coldplug' run in the real root will find
+                 * this pending request and fulfill or cancel it.
+                 * */
+                if (!in_initrd())
+                        set_loading(udev, loadpath, "-1");
                 goto exit;
         }
 
         if (stat(fwpath, &statbuf) < 0 || statbuf.st_size == 0) {
+                if (!in_initrd())
+                        set_loading(udev, loadpath, "-1");
                 rc = EXIT_FAILURE;
                 goto exit;
         }
-        if (unlink(misspath) == 0)
-                util_delete_path(udev, misspath);
 
         if (!set_loading(udev, loadpath, "1"))
                 goto exit;
 
-        util_strscpyl(datapath, sizeof(datapath), udev_device_get_syspath(dev), "/data", NULL);
+        strscpyl(datapath, sizeof(datapath), udev_device_get_syspath(dev), "/data", NULL);
         if (!copy_firmware(udev, fwpath, datapath, statbuf.st_size)) {
-                err(udev, "error sending firmware '%s' to device\n", firmware);
+                log_error("error sending firmware '%s' to device\n", firmware);
                 set_loading(udev, loadpath, "-1");
                 rc = EXIT_FAILURE;
                 goto exit;